[android] #6083 - add circle example (#6086)

* add method addMarkerViews with only one invalidate

* [android] #6083 - add circle example

1 files changed, 137 insertions, 0 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/CircleLayerActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/CircleLayerActivity.java
new file mode 100644
index 0000000000..dd4a10e88c
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/CircleLayerActivity.java
@@ -0,0 +1,137 @@
+package com.mapbox.mapboxsdk.testapp.activity.style;
+
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.design.widget.FloatingActionButton;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.content.res.ResourcesCompat;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
+
+import com.mapbox.mapboxsdk.constants.MapboxConstants;
+import com.mapbox.mapboxsdk.constants.Style;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.style.layers.CircleLayer;
+import com.mapbox.mapboxsdk.style.layers.Layer;
+import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
+import com.mapbox.mapboxsdk.testapp.R;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
+
+/**
+ * Example to add a circle as a layer using runtime style API, contains adding
+ * GeoJSON as source that contains 1 Feature with a Point geometry, adding a circle layer and
+ * changing circle layer properties as size and colors.
+ */
+public class CircleLayerActivity extends AppCompatActivity {
+
+    private MapboxMap mapboxMap;
+    private MapView mapView;
+    private Layer circleLayer;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_circlelayer);
+
+        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+
+        ActionBar actionBar = getSupportActionBar();
+        if (actionBar != null) {
+            actionBar.setDisplayHomeAsUpEnabled(true);
+            actionBar.setDisplayShowHomeEnabled(true);
+        }
+
+        mapView = (MapView) findViewById(R.id.mapView);
+        mapView.onCreate(savedInstanceState);
+        mapView.getMapAsync(new OnMapReadyCallback() {
+            @Override
+            public void onMapReady(@NonNull final MapboxMap map) {
+                mapboxMap = map;
+                FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+                fab.setColorFilter(ContextCompat.getColor(CircleLayerActivity.this, R.color.primary));
+                fab.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        if (circleLayer == null) {
+                            // first time
+                            try {
+                                mapboxMap.addSource(new GeoJsonSource("point", new URL("https://gist.githubusercontent.com/anonymous/87eca90e80a72b1b42be9d0201ec3c8e/raw/acbb46384fd56044a504f122950d0637d98b4e7a/map.geojson")));
+                            } catch (MalformedURLException e) {
+                                Log.e(MapboxConstants.TAG, "That's not an url... " + e.getMessage());
+                            }
+
+                            circleLayer = new CircleLayer("circleLayer", "point");
+                            circleLayer.setProperties(
+                                    circleColor(ResourcesCompat.getColor(getResources(), R.color.primary_dark, getTheme())),
+                                    circleRadius(getResources().getDimension(R.dimen.circle_size))
+                            );
+
+                            // lets add a circle below labels!
+                            mapboxMap.addLayer(circleLayer, "waterway-label");
+                        } else {
+                            // change size and color
+                            circleLayer = mapboxMap.getLayer("circleLayer");
+                            circleLayer.setProperties(
+                                    circleRadius(mapView.getTag() == null ? getResources().getDimension(R.dimen.activity_horizontal_margin) : getResources().getDimension(R.dimen.circle_size)),
+                                    circleColor(mapView.getTag() == null ? ResourcesCompat.getColor(getResources(), R.color.blue_accent, getTheme()) : ResourcesCompat.getColor(getResources(), R.color.green_accent, getTheme())));
+                            mapView.setTag(mapView.getTag() == null ? mapboxMap : null);
+                        }
+                    }
+                });
+            }
+        });
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        mapView.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mapView.onPause();
+    }
+
+    @Override
+    public void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        mapView.onSaveInstanceState(outState);
+    }
+
+    @Override
+    public void onLowMemory() {
+        super.onLowMemory();
+        mapView.onLowMemory();
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        mapView.onDestroy();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+            case android.R.id.home:
+                onBackPressed();
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+    }
+}
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